Abstract
In this study, we investigated the effect of the multi-step texturing process on the electrical and optical properties of hydrogenated Al-doped zinc oxide (HAZO) thin films deposited by RF magnetron sputtering. After their deposition, the surface of the HAZO films was multi-step textured in dilute HCl (0.5%) to investigate the change in their optical properties and surface morphology due to etching. The HAZO film fabricated under the type III condition showed excellent optical properties with a haze value of 50.81%. The microcrystalline silicon (μc-Si:H)-based p-i-n solar cells prepared using these new texture-etched HAZO substrates showed high quantum efficiencies in the long wavelength range, thereby demonstrating effective light trapping. Using the optimum AZO:H thin film textured surface, we achieved a p-i-n μc-Si solar cell efficiency of 7.08%.
Original language | English |
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Pages (from-to) | 362-367 |
Number of pages | 6 |
Journal | Current Applied Physics |
Volume | 11 |
Issue number | 3 |
DOIs | |
Publication status | Published - 2011 May |
Bibliographical note
Funding Information:This work was supported by the New & Renewable Energy of the Korea Institute of Energy Technology Evaluation and Planning(KETEP) grant funded by the Korea government Ministry of Knowledge Economy (No. 20093021010010) .
Keywords
- Hydrogenated
- RF magnetron sputter
- Surface textured
- TCO
- ZnO:Al
ASJC Scopus subject areas
- General Materials Science
- General Physics and Astronomy